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Breaking the scaling relationship via thermally stable Pt/Cu single atom alloys for catalytic dehydrogenation

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  • Guodong Sun

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

  • Zhi-Jian Zhao

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

  • Rentao Mu

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

  • Shenjun Zha

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

  • Lulu Li

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

  • Sai Chen

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

  • Ketao Zang

    (Tianjin University of Technology)

  • Jun Luo

    (Tianjin University of Technology)

  • Zhenglong Li

    (Oak Ridge National Laboratory)

  • Stephen C. Purdy

    (Purdue University)

  • A. Jeremy Kropf

    (Argonne National Laboratory)

  • Jeffrey T. Miller

    (Purdue University)

  • Liang Zeng

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

  • Jinlong Gong

    (Tianjin University
    Collaborative Innovation Center for Chemical Science & Engineering (Tianjin))

Abstract

Noble-metal alloys are widely used as heterogeneous catalysts. However, due to the existence of scaling properties of adsorption energies on transition metal surfaces, the enhancement of catalytic activity is frequently accompanied by side reactions leading to a reduction in selectivity for the target product. Herein, we describe an approach to breaking the scaling relationship for propane dehydrogenation, an industrially important reaction, by assembling single atom alloys (SAAs), to achieve simultaneous enhancement of propylene selectivity and propane conversion. We synthesize γ-alumina-supported platinum/copper SAA catalysts by incipient wetness co-impregnation method with a high copper to platinum ratio. Single platinum atoms dispersed on copper nanoparticles dramatically enhance the desorption of surface-bounded propylene and prohibit its further dehydrogenation, resulting in high propylene selectivity (~90%). Unlike previous reported SAA applications at low temperatures (

Suggested Citation

  • Guodong Sun & Zhi-Jian Zhao & Rentao Mu & Shenjun Zha & Lulu Li & Sai Chen & Ketao Zang & Jun Luo & Zhenglong Li & Stephen C. Purdy & A. Jeremy Kropf & Jeffrey T. Miller & Liang Zeng & Jinlong Gong, 2018. "Breaking the scaling relationship via thermally stable Pt/Cu single atom alloys for catalytic dehydrogenation," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06967-8
    DOI: 10.1038/s41467-018-06967-8
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    Cited by:

    1. Feilong Xing & Jiamin Ma & Ken-ichi Shimizu & Shinya Furukawa, 2022. "High-entropy intermetallics on ceria as efficient catalysts for the oxidative dehydrogenation of propane using CO2," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Wei Liu & Haisong Feng & Yusen Yang & Yiming Niu & Lei Wang & Pan Yin & Song Hong & Bingsen Zhang & Xin Zhang & Min Wei, 2022. "Highly-efficient RuNi single-atom alloy catalysts toward chemoselective hydrogenation of nitroarenes," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    3. Zhi Wen Chen & Jian Li & Pengfei Ou & Jianan Erick Huang & Zi Wen & LiXin Chen & Xue Yao & GuangMing Cai & Chun Cheng Yang & Chandra Veer Singh & Qing Jiang, 2024. "Unusual Sabatier principle on high entropy alloy catalysts for hydrogen evolution reactions," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    4. Xiaowen Chen & Xuetao Qin & Yueyue Jiao & Mi Peng & Jiangyong Diao & Pengju Ren & Chengyu Li & Dequan Xiao & Xiaodong Wen & Zheng Jiang & Ning Wang & Xiangbin Cai & Hongyang Liu & Ding Ma, 2023. "Structure-dependence and metal-dependence on atomically dispersed Ir catalysts for efficient n-butane dehydrogenation," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    5. Liu-Chun Wang & Li-Chan Chang & Wen-Qi Chen & Yi-Hsin Chien & Po-Ya Chang & Chih-Wen Pao & Yin-Fen Liu & Hwo-Shuenn Sheu & Wen-Pin Su & Chen-Hao Yeh & Chen-Sheng Yeh, 2022. "Atomically dispersed golds on degradable zero-valent copper nanocubes augment oxygen driven Fenton-like reaction for effective orthotopic tumor therapy," Nature Communications, Nature, vol. 13(1), pages 1-17, December.

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